The fields along America’s highways once covered in frost are now fully sprinkled in morning dew, indicating spring has sprung and summer is on its way. Soon, sweltering heat will pour down from the ...

Internal combustion engines — including those that run on diesel fuel — rely on various systems, accessories, and electronics to keep the pistons moving and your wheels turning. Of those systems and ...

New advanced engines and cooling systems are changing cooling system maintenance requirements. Service technicians and fleet managers should review their preventative maintenance (PM) strategy and ...

Failure to properly maintain your cooling system is a leading cause of catastrophic diesel engine problems, accounting for approximately 40% of engine failures. The damage being done is difficult to ...

Coolants are the least understood fluid in a heavy duty truck engine today. But a little attention to them can avert serious problems for your fleet. Photos: Prestone If you’re a maintenance manager ...

The "hot" in hot rod has meaning. High-performance engines make power through heat. Heat is as much a part of the performance equation as fuel, air and spark. Heat expands air and provides an optimum ...

When you cut to the basic principles of heavy-duty trucks it comes down to return on investment: maximum mpg, meeting emissions requirements and the truck running at optimum conditions and ...